On Mon, 2018-05-21 at 02:04:38 UTC, Deb McLemore wrote: > Problem being solved is when issuing a BMC soft poweroff during IPL, > the poweroff was being lost so the machine would not poweroff. > > Opal messages were being received before the opal-power code > registered its notifiers. > > Alternatives discussed (option #3 was chosen): > > 1 - Have opal_message_init() explicitly call opal_power_control_init() > before it dequeues any OPAL messages (i.e. before we register the > opal-msg IRQ handler). > > 2 - Introduce concept of critical message types and when we register > handlers we track which message types have a registered handler, > then defer the opal-msg IRQ registration until we have a handler > registered for all the critical types. > > 3 - Buffering messages, if we receive a message and do not yet > have a handler for that type, store the message and replay when > a handler for that type is registered. > > Signed-off-by: Deb McLemore <de...@linux.vnet.ibm.com>
Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/a9336ddf448b1cba3080195cec2287af3907236c cheers
